About the Plenary Environment consortium

Plenary Environment has financed, designed, built the facility and is now operating and maintaining it over a 20-year contract term. Plenary Environment also manages the beneficial use of the T1 Grade pelletised biosolids.

Plenary Environment is a consortium of companies engaged and overseen by Plenary Group.

Plenary Group Logo

Plenary Group is an independent, long-term investor, developer and manager of public infrastructure. Its focus is on the creation of quality community assets with long-lasting benefits. Australian owned, Plenary has a strong and successful portfolio of public infrastructure projects including the Victorian Comprehensive Cancer Centre, Melbourne Convention and Exhibition Centre, AgriBio Centre for AgriBioscience, and Casey Hospital.


TRILITY is an industry leader in the delivery of water, wastewater, reuse and bio-solids solutions across Australia and New Zealand. Its leadership draws on more than 20 years’ experience in providing high-quality solutions for public and private sector clients including financing, design and construction, operations and maintenance, asset management and utility services. An Australian company with Mitsubishi Corporation as its major shareholder, TRILITY has a growing footprint across Australia and New Zealand.  As such, its capabilities span the full lifecycle of water, delivering services to millions every day.


Ferti-Tech is unique in the agricultural services and fertiliser manufacturing industries. It provides the innovative and increasingly well-regarded Carbon Systems Agronomy (CSA) practice to ensure the most cost-effective solutions to the biggest soil productivity challenges in agriculture. Ferti-Tech’s CSA consistently delivers better farm incomes while at the same time improving soil fertility and productive capacity.



About Barwon Water

Barwon Water (Barwon Region Water Corporation) is Victoria's largest regional urban water corporation. Barwon Water provides high quality water, recycled water and sewerage services to more than 295,000 permanent residents. Over the summer holiday period, Barwon Water's serviced population can reach 515,000 people.